msm: mdss: For video mode enable cmd mode while dsi read commands
msm: mdss: For video mode enable cmd mode while dsi read commands

Before reading any data from the panel we need to enable command
mode for dsi controller to avoid timeouts.

Change-Id: I9c9c03662bf7f19c6a4567be353d158cead03599
Signed-off-by: Shivaraj Shetty <67664aa6ce912e0947777da9284428078a1d7954@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas